See who's calling

When I first answered someone was speaking very quickly in what sounded like Arabic and then said hello and I said hello. At which point he said I am from the computer department and then spoke in Arabic again to which I responded excuse me? And at that point they hung up and when I called back I let it ring and it rang for 1 minute and 18 seconds and then there was a click and then a very quick busy signal sound and the call was disconnected. This is the third time today they have called. Spam